From 703f107c63791735b94bf0d6cafb34b566c31925 Mon Sep 17 00:00:00 2001 From: Doug Hogan Date: Thu, 20 Dec 2018 02:02:05 -0800 Subject: Move HMAC to new files --- lib/crypto/c_src/crypto.c | 153 +--------------------------------------------- 1 file changed, 1 insertion(+), 152 deletions(-) (limited to 'lib/crypto/c_src/crypto.c') diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 491c82916f..1b1e5e71ca 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -28,6 +28,7 @@ #include "bn.h" #include "digest.h" #include "engine.h" +#include "hmac.h" #include "rsa.h" /* NIF interface declarations */ @@ -44,10 +45,6 @@ static ERL_NIF_TERM hash_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[] static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM cmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM aes_cfb_8_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); @@ -183,15 +180,6 @@ ERL_NIF_INIT(crypto,nif_funcs,load,NULL,upgrade,unload) #define RIPEMD160_CTX_LEN (sizeof(RIPEMD160_CTX)) -static ErlNifResourceType* hmac_context_rtype; -struct hmac_context -{ - ErlNifMutex* mtx; - int alive; - HMAC_CTX* ctx; -}; -static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context*); - struct cipher_type_t { union { const char* str; /* before init */ @@ -1215,145 +1203,6 @@ static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM #endif /* OPENSSL_VERSION_NUMBER < 1.0 */ -static ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Key, Data) or (Type, Key, Data, MacSize) */ - struct digest_type_t *digp = NULL; - ErlNifBinary key, data; - unsigned char buff[EVP_MAX_MD_SIZE]; - unsigned size = 0, req_size = 0; - ERL_NIF_TERM ret; - - digp = get_digest_type(argv[0]); - if (!digp || - !enif_inspect_iolist_as_binary(env, argv[1], &key) || - !enif_inspect_iolist_as_binary(env, argv[2], &data) || - (argc == 4 && !enif_get_uint(env, argv[3], &req_size))) { - return enif_make_badarg(env); - } - - if (!digp->md.p || - !HMAC(digp->md.p, - key.data, key.size, - data.data, data.size, - buff, &size)) { - return atom_notsup; - } - ASSERT(0 < size && size <= EVP_MAX_MD_SIZE); - CONSUME_REDS(env, data); - - if (argc == 4) { - if (req_size <= size) { - size = req_size; - } - else { - return enif_make_badarg(env); - } - } - memcpy(enif_make_new_binary(env, size, &ret), buff, size); - return ret; -} - -static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context *obj) -{ - if (obj->alive) { - HMAC_CTX_free(obj->ctx); - obj->alive = 0; - } - enif_mutex_destroy(obj->mtx); -} - -static ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Key) */ - struct digest_type_t *digp = NULL; - ErlNifBinary key; - ERL_NIF_TERM ret; - struct hmac_context *obj; - - digp = get_digest_type(argv[0]); - if (!digp || - !enif_inspect_iolist_as_binary(env, argv[1], &key)) { - return enif_make_badarg(env); - } - if (!digp->md.p) { - return atom_notsup; - } - - obj = enif_alloc_resource(hmac_context_rtype, sizeof(struct hmac_context)); - obj->mtx = enif_mutex_create("crypto.hmac"); - obj->alive = 1; - obj->ctx = HMAC_CTX_new(); -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - // Check the return value of HMAC_Init: it may fail in FIPS mode - // for disabled algorithms - if (!HMAC_Init_ex(obj->ctx, key.data, key.size, digp->md.p, NULL)) { - enif_release_resource(obj); - return atom_notsup; - } -#else - HMAC_Init_ex(obj->ctx, key.data, key.size, digp->md.p, NULL); -#endif - - ret = enif_make_resource(env, obj); - enif_release_resource(obj); - return ret; -} - -static ERL_NIF_TERM hmac_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ - ErlNifBinary data; - struct hmac_context* obj; - - if (!enif_get_resource(env, argv[0], hmac_context_rtype, (void**)&obj) - || !enif_inspect_iolist_as_binary(env, argv[1], &data)) { - return enif_make_badarg(env); - } - enif_mutex_lock(obj->mtx); - if (!obj->alive) { - enif_mutex_unlock(obj->mtx); - return enif_make_badarg(env); - } - HMAC_Update(obj->ctx, data.data, data.size); - enif_mutex_unlock(obj->mtx); - - CONSUME_REDS(env,data); - return argv[0]; -} - -static ERL_NIF_TERM hmac_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) or (Context, HashLen) */ - ERL_NIF_TERM ret; - struct hmac_context* obj; - unsigned char mac_buf[EVP_MAX_MD_SIZE]; - unsigned char * mac_bin; - unsigned int req_len = 0; - unsigned int mac_len; - - if (!enif_get_resource(env,argv[0],hmac_context_rtype, (void**)&obj) - || (argc == 2 && !enif_get_uint(env, argv[1], &req_len))) { - return enif_make_badarg(env); - } - - enif_mutex_lock(obj->mtx); - if (!obj->alive) { - enif_mutex_unlock(obj->mtx); - return enif_make_badarg(env); - } - - HMAC_Final(obj->ctx, mac_buf, &mac_len); - HMAC_CTX_free(obj->ctx); - obj->alive = 0; - enif_mutex_unlock(obj->mtx); - - if (argc == 2 && req_len < mac_len) { - /* Only truncate to req_len bytes if asked. */ - mac_len = req_len; - } - mac_bin = enif_make_new_binary(env, mac_len, &ret); - memcpy(mac_bin, mac_buf, mac_len); - - return ret; -} - static ERL_NIF_TERM cmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Type, Key, Data) */ #if defined(HAVE_CMAC) -- cgit v1.2.3